Rectilinear binder ring



FIG. 1 is a perspective of a rectilinear binder ring attached to a ring binder mechanism, the ring binder mechanism and two other rings being shown in phantom;

FIG. 2 is a front elevational view of the rectilinear binder ring of FIG. 1, the back elevational view of the ring being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side elevational view of the ring, the left side elevational view being identical.

The phantom lines in the drawings indicate environmental structure which forms no part of the claimed design. 

The ornamental design for rectilinear binder ring, as shown and described. 